DCACLab › Community circuits › If circuit is built without resistor and fingertip bridges the gap the lamp will light. Water will also turn the circuit on, so it could be used to monitor any place that should stay dry. The lamp could be replaced by a sonalert for an audible alarm.

If circuit is built without resistor and fingertip bridges the gap the lamp will light. Water will also turn the circuit on, so it could be used to monitor any place that should stay dry. The lamp could be replaced by a sonalert for an audible alarm.

An interactive circuit built in the DCACLab online simulator by Sam Watson. Open it to run the simulation and measure it.

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By Sam Watson
Saved 16 May 2014 · updated 14 Aug 2014
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